Sonoma Valley Groundwater Management Program

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    Sonoma Valley Groundwater Management Program - logoGroundwater resources have long played a significant role in the development, growth and sustainability of the Sonoma Valley, with more than half the water demand in a given year met by local groundwater resources. With increasing local demands, assuring sustainable groundwater supplies in the Sonoma Valley may be difficult unless appropriate actions are taken in the near future.  

    In response, a collaborative group of twenty stakeholders, representing varied groundwater interests, has developed a groundwater management plan for the Sonoma Valley. The group, called the Basin Advisory Panel, has representatives from local agriculture, dairies, government, local water purveyors, business, and environmental interests and started meeting in August 2006. The Panel developed and recommended the non-regulatory Groundwater Management Plan (Plan) for adoption. The Sonoma County Water Agency, City of Sonoma, Valley of the Moon Water District, and the Sonoma Valley County Sanitation District adopted the plan in late 2007.  Additionally, letters of support and endorsement for the Plan were received from the Sonoma Valley Vintners & Growers Alliance, the Sonoma Ecology Center, the Mission Highlands Mutual Water Company, and the Sonoma County Water Coalition.

    This Plan identifies a range of voluntary water management actions to sustain resources for future generations, including enhancing groundwater recharge and increasing water conservation and recycled water use. The Plan area, referred to as the Sonoma Valley, is the Sonoma Creek Watershed. The Sonoma Valley is approximately 166 square-miles in size, and is bounded by Sonoma Mountain to the west, the Mayacamas Mountains and Mount Hood to the east and north, and San Pablo Bay to the south. Communities included in the Plan area include the City of Sonoma and communities of El Verano, Boyes Hot Springs, Glen Ellen, Kenwood, and the southernmost portions of Oakmont.

    The Plan goal is to locally manage, protect, and enhance groundwater resources for all beneficial uses, in a sustainable, environmentally sound, economical, and equitable manner for generations to come.

    Contact Information:

    Marcus Trotta
    Sonoma County Water Agency
    (707) 547-1978


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